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goblinko [34]
3 years ago
15

Mack thinks that natural numbers are a subset of irrational numbers. Is Mack correct?

Mathematics
1 answer:
Kisachek [45]3 years ago
6 0

Answer:

He is incorrect.Because if they are irrational they are the opposite.

Step-by-step explanation:

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Parabolas y=−2x^2 and y=2x^2 +k intersect at points A and B that are in the third and the fourth quadrants respectively. Find k
OverLord2011 [107]

Answer:

-25  

Step-by-step explanation:

(1)   y = -2x²

(2) y =   2x² + k     Subtract (1) from (2)

    0 =  4x² + k      Subtract 4x² from each side

    k = -4x²

The parabolas are <em>symmetrical about the y-axis.</em>

Segment AB = 5, so x = +2.5 and x = +2.5.

k = -4(±2.5)² = -4 × 6.25 = -25

8 0
2 years ago
Question 29 of 30
frozen [14]

Answer:

7/10

Step-by-step explanation:

this is the simplest form

3 0
2 years ago
I need to simplify this expression : 3.2 + (b + 5.7 )
Leni [432]
The simplified expression is b+8.9
6 0
3 years ago
Roger claims that the two statistics most likely to change greatly when an outlier is added to a small data set are the mean and
Leni [432]

Answer:

No, the Roger’s claim is not correct.

Step-by-step explanation:

We are given that Roger claims that the two statistics most likely to change greatly when an outlier is added to a small data set are the mean and the median.

This statement by Roger is incorrect because the median is unaffected by the outlier value and only the mean value gets affected by the outlier value.

As the median represents the middlemost value of our dataset, so any value which is an outlier will be either at the start or at the end will not the median value. So, the median will not likely change when an outlier is added to a small data set.

Now, the mean is the average of all the data set values, that is the sum of all the observations divided by the number of observations. The mean will get affected by the outlier value because it take into account each and every value of the data set.

Hence, the mean will likely to change greatly when an outlier is added to a small data set.

7 0
3 years ago
What's 1/8 as a fraction
Pani-rosa [81]
That means one whole is cut into 8 parts, and one of those eight parts is considered to be one-eighth of a whole
{think about it like a pizza with 8 slices]

8 0
2 years ago
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